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Optical Spotting Instrument

NSN: 1240-01-655-3443 | Model: 512.FN

An item used for spotting enemy fire, detecting azimuth and deflection errors in bursts of fire for flash ranging, terrestrial and celestial observation, and for accurate measurement of horizontal and vertical angles by the use of reticles. It may have a single or dual optical syste (s), utilizing a straight or offset (raised) line of sight. It is supported by a tribrach having a leveling plate with adjusting screws, circular and/or tubular level vials, azimuth and elevation controls, and the like. It may be mounted in a tripod or groundshelf mount, and usually includes accommodations for a light, instrument.

NSN Properties and Flags
NATO Stock Number

Pricing and Availability

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NSN 1240-01-655-3443 Datasheet

Supply Class (FSC):
Optical Sighting And Ranging Equipment
Cross Reference:
  • 512.FN
  • 3221800193
Cage Codes:
  • 3 Communications Eotech, Inc. L (CAGE 1MLU1)
  • Fn Herstal Sa (CAGE B0897)

Questions & Answers:

What are the historical prices recorded for this stock number?
No pre-dated pricing for this NSN could be found.
Does NSN 1240-01-655-3443 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
What is the NIIN of NSN 1240-01-655-3443?
016553443 or 01-655-3443
Does NSN 1240-01-655-3443 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 1240-01-655-3443?
No solicitations for this NSN.